Finding the Fourth Proportional to 2,941.72, 4,412.31 and 993.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,941.72 : 4,412.31 = 993.94 : x
2. Step 2: Convert to fraction form
   2,941.72/4,412.31 = 993.94/x
3. Step 3: Cross multiply
   2,941.72x = 4,412.31 × 993.94
4. Step 4: Simplify right side
   2,941.72x = 4,385,571.40
5. Step 5: Solve for x
   x = 4,385,571.40/2,941.72
6. Step 6: Final answer
   x = 1,490.82